8 Responses. > 1  the Moon takes an elliptical path around the Earth. The planets make nearly elliptical orbits around the Sun, close enough for reasonable approximations, but the Moonâs Orbit around the Earth is sufficiently influenced by the Sun that it follows a path detectably different from an ellipse.
Quick Answer. In 1896, French scientist Antoine Henri Becquerel discovered radioactivity which was an early contribution to atomic theory. He discovered this phenomenon while experimenting with uranium and a photographic plate. Continue Reading.
Beryllium (Be) is the fourth element of the periodic table and was discovered and named in 1798 by a chemist named Vaquelin. He actually found the element when he was working with emeralds.Now we use beryllium in nuclear reactors, machine parts, and satellites.eryllium (Be) is the fourth element of the periodic table and was discovered and named in 1798 by a chemist named Vaquelin. He actually found the element when he was working with emeralds.